Local Calling Guide

Area code/prefix search

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NPA: 715 [Rate centres in NPA 715] [Dial plan for NPA 715]

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-621 A Presque Isle WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
715-621 0 Presque Isle WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
715-621 1 Presque Isle WI MRNTWI24DS0  766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-12   
715-621 2 Presque Isle WI RHNLWIXA9MD  225C ONVOY, LLC - WI 350   2024-03-25   
715-621 7 Presque Isle WI GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-11-24   
715-621 9 Presque Isle WI RHNLWIXADMD  624H ONVOY SPECTRUM, LLC 350   2024-06-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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